Home / 4,947.66-7,421.20-1,249.87

Finding the Fourth Proportional to 4,947.66, 7,421.20 and 1,249.87

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Solution

The fourth proportional to 4,947.66, 7,421.20 and 1,249.87 is: 1,874.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,947.66 : 7,421.20 = 1,249.87 : x
  2. Step 2: Convert to fraction form
    4,947.66/7,421.20 = 1,249.87/x
  3. Step 3: Cross multiply
    4,947.66x = 7,421.20 × 1,249.87
  4. Step 4: Simplify right side
    4,947.66x = 9,275,535.24
  5. Step 5: Solve for x
    x = 9,275,535.24/4,947.66
  6. Step 6: Final answer
    x = 1,874.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.